Study on the Sensing Coating of the Optical Fibre CO2 Sensor
... There are various ways of utilizing the optical fibres in various systems for chemical monitoring. They can be used for sample illumination and signal reception or they can be sensors per se by using special active fibre coatings, which are sensitive to the analysed substance. The most straightforwa ...
... There are various ways of utilizing the optical fibres in various systems for chemical monitoring. They can be used for sample illumination and signal reception or they can be sensors per se by using special active fibre coatings, which are sensitive to the analysed substance. The most straightforwa ...
control of high power pulses extracted from the maximally
... I equation [27], and the study of rogue wave solutions and interactions for the generalized higher-order NLS equation with space- and time-modulated parameters [28]. Other recent relevant works in this broad area deal with the study of modulation instabilities of CW backgrounds and the formation of ...
... I equation [27], and the study of rogue wave solutions and interactions for the generalized higher-order NLS equation with space- and time-modulated parameters [28]. Other recent relevant works in this broad area deal with the study of modulation instabilities of CW backgrounds and the formation of ...
Experimental Verification of n = 0 Structures for Visible Light
... Figures 2(a) and 2(b) show a two-dimensional scan of the CL emission over a 400-nm-wide and 2-m-long waveguide. The recorded intensity is plotted for two wavelengths. The scan clearly shows the outline of the waveguide; it is brighter than the surroundings. The CL emission that is excited along the ...
... Figures 2(a) and 2(b) show a two-dimensional scan of the CL emission over a 400-nm-wide and 2-m-long waveguide. The recorded intensity is plotted for two wavelengths. The scan clearly shows the outline of the waveguide; it is brighter than the surroundings. The CL emission that is excited along the ...
Absorption of high-energy gamma rays in Cygnus X-3
... innermost, hottest region. For thin disks with higher Rin , the gamma-ray absorption is lower and is negligible at 1 GeV if ...
... innermost, hottest region. For thin disks with higher Rin , the gamma-ray absorption is lower and is negligible at 1 GeV if ...
The First Precise Molecular Structure of a Monomeric Transition
... carbon and nitrogen in a structure is often difficult,50 and there are well-documented cases where mistakes have been made.51 Thus, it seemed especially important to unambiguously determine the first structure of a monomeric transition metal cyanide. Here we report the synthesis of CuCN in the gas p ...
... carbon and nitrogen in a structure is often difficult,50 and there are well-documented cases where mistakes have been made.51 Thus, it seemed especially important to unambiguously determine the first structure of a monomeric transition metal cyanide. Here we report the synthesis of CuCN in the gas p ...
Optical fluctuations on the transmission and reflection of mesoscopic
... the optical analogue of the Universal Conductance Fluctuations and with the distribution of the fluctuations. The last part of this thesis addresses interference in a disordered structure with non-linear susceptibility. Interference of both fundamental and second harmonic generated light is described ...
... the optical analogue of the Universal Conductance Fluctuations and with the distribution of the fluctuations. The last part of this thesis addresses interference in a disordered structure with non-linear susceptibility. Interference of both fundamental and second harmonic generated light is described ...
Observational Confirmation of a Link Between Common Envelope
... was performed using CuAr arc spectra. Radial velocity values for each spectrum were found using line centers. For emission lines and weak absorption lines line centers were found by Gaussian line fitting while for strong absorption features we used Voigt profile fitting. A resulting radial velocity ...
... was performed using CuAr arc spectra. Radial velocity values for each spectrum were found using line centers. For emission lines and weak absorption lines line centers were found by Gaussian line fitting while for strong absorption features we used Voigt profile fitting. A resulting radial velocity ...
radiation and matter interaction in strong magnetic field of accreting
... astrophysical objects allow us to check physics inaccessible at terrestrial laboratories. In this thesis I will focus on the effects of strong magnetic fields. The B-field has to be really strong to affect the quantum processes. There is a natural magnetic field scale given by the so-called critical ...
... astrophysical objects allow us to check physics inaccessible at terrestrial laboratories. In this thesis I will focus on the effects of strong magnetic fields. The B-field has to be really strong to affect the quantum processes. There is a natural magnetic field scale given by the so-called critical ...
Light scattering at small angles by atmospheric irregular particles
... weakly dependent upon the particulates’ composition (Renard et al., 2010). Particles found in the atmosphere exhibit roughness that leads to large discrepancies with the classical Mie solution in terms of scattered intensities in the low angular set-up. This article focuses on building an effective ...
... weakly dependent upon the particulates’ composition (Renard et al., 2010). Particles found in the atmosphere exhibit roughness that leads to large discrepancies with the classical Mie solution in terms of scattered intensities in the low angular set-up. This article focuses on building an effective ...
Wavelength Converter Technology
... a single component, so it is conceptually simple. Its optical input power requirements are 0–10 dBm, but unless a special waveguide design is implemented for the gain section of the laser, it is polarization dependent. Moreover, the maximum bit rate, determined by the laser’s resonance frequency, is ...
... a single component, so it is conceptually simple. Its optical input power requirements are 0–10 dBm, but unless a special waveguide design is implemented for the gain section of the laser, it is polarization dependent. Moreover, the maximum bit rate, determined by the laser’s resonance frequency, is ...
LASER LITHOTRIPSY OF KIDNEY CALCULI WITH A Nd:YAG
... breakdown frequency in water as a function of electric field strength. According to Ref. (8) a field strength of 60 MV/m will destroy any calculi in water. It has been shown that when the stone is immersed in water, the destruction is ten times more effective than when the stone is surrounded by air ...
... breakdown frequency in water as a function of electric field strength. According to Ref. (8) a field strength of 60 MV/m will destroy any calculi in water. It has been shown that when the stone is immersed in water, the destruction is ten times more effective than when the stone is surrounded by air ...
Nonlinear Optics
... We can understand TPA as follows. Imagine that the first photon perturbs the electron cloud of a molecule (or any quantum system) so that the molecule is in a superposition of states |ψ⟩ such that the expectation value of the energy is h̄ω = ⟨ψ| H |ψ⟩. This is called a virtual state, which will be mo ...
... We can understand TPA as follows. Imagine that the first photon perturbs the electron cloud of a molecule (or any quantum system) so that the molecule is in a superposition of states |ψ⟩ such that the expectation value of the energy is h̄ω = ⟨ψ| H |ψ⟩. This is called a virtual state, which will be mo ...
A Low Cost Optical Coherence Tomography Machine
... In a basic OCT set-up a light source emits a broadband spectrum of light which is carried over fiber optic cable to an evanescent mode coupler. The coupler divides the light evenly, with half of the light directed toward the reference arm and the other half directed to the sample which is to be scan ...
... In a basic OCT set-up a light source emits a broadband spectrum of light which is carried over fiber optic cable to an evanescent mode coupler. The coupler divides the light evenly, with half of the light directed toward the reference arm and the other half directed to the sample which is to be scan ...
1.5% root-mean-square flat-intensity laser beam
... and output beam shapes, the whole system can only work well for the single input–output combination. In addition, the technique can do nothing to reduce the effect of spatial noise and imperfections present in real laser beams. The use of diffractive optics and holographic optical elements is popula ...
... and output beam shapes, the whole system can only work well for the single input–output combination. In addition, the technique can do nothing to reduce the effect of spatial noise and imperfections present in real laser beams. The use of diffractive optics and holographic optical elements is popula ...
High efficiency high power blue laser by resonant doubling in PPKTP.
... precision spectroscopy, semiconductor inspection, flow cytometry, etc.). It is linearly polarized, single longitudinal and single transverse mode, and a convenient fiber coupled continuous wave (cw) laser source. My technique employs external cavity frequency doubling and provides better power and b ...
... precision spectroscopy, semiconductor inspection, flow cytometry, etc.). It is linearly polarized, single longitudinal and single transverse mode, and a convenient fiber coupled continuous wave (cw) laser source. My technique employs external cavity frequency doubling and provides better power and b ...